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16") Back focus from top of threaded collar 72
External Height 16 in (406 mm) External Length 33 in (838 mm) External Width 17 in (432 mm) Internal Height 12 in (305 mm) Internal Length 26 in (660 mm) Internal Width 14 in (356 mm)
add up to 10 additional calibration stars to achieve a new level of accuracy
With an apparent field of view of 52 degrees
stars will appear in sharp focus across the entire frame
Reducer/Corrector f/6.3 ED 16") Back focus from topThis combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1 4", 11" and 14" Schmidt Cassegrain telescopes This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality The Reducer Corrector is f 6. 3 for C5, C6, C8, C9 and C11 telescopes and f 7 for the C14 telescope Reducer Corrector f 6. 3 This combination focal reducer and field corrector lens
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